A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Dhaka, the overcrowded capital city of Bangladesh, has ranked 39th on the list of cities with the worst air quality with an ...

"Avoid all physical activity outdoors," the EPA advises at this level. According to the EPA's map, Picture Rocks and Marana ...

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

HUNTSVILLE, Ala. — Air quality in and around Huntsville improved early Saturday after spending several hours in the unhealthy ...

Despite no significant rain being recorded in many parts of the Capital over the past few days, the air quality in Delhi ...